Humidifier



H. G. Ross HUMIDIFIER March 3, 1936.

Filed Aug. 19A, 1953 /A/L/f/v TOR Ross TOR/VEY Patented Mar. 3, 1936UNITED STATES PATENT perles Application August 19, 1933, Serial No.685,935 In Canada May 3, 1933 s claims. (ci. zei-m7) My inventionrelates to the design of a humidifler for increasing the moisturecontent of dry air in homes, oices or other buildings. The

purpose of my invention is to provide an extremely simple yet effectivedesign of humidier which is portable, requires no installation,

and is inexpensive both with regard to initial and operating cost.4Further object is to provide means whereby the Water-absorbenthumidifying element, while being disposed. to best advantage, maybeeasily and periodically removed,

cleansed, and replaced. It is also an object of my design to prevent theelectric motor from-being subject to out-going moist air; and to furtherprovide against wetting the motor, by having it completely removed whenthe reservoir is being lled.

The objects and advantages of the invention will be apparent from thefollowing specifications.

In the drawing illustrating a preferred form of my invention:-

Figure 1 shows an assembled view of the complete humidfler with part ofcasing cut away to show the motor, fan and humidifying element;

Figure 2 shows a top plan view of the complete humidifier;

Figure 3 is a topplan view of the rack which supports the humidifyingelement; and

Figure 4 shows an enlarged` cross-sectional view of the juncture of thetwo shells and the rack which supports the humidifying elements.

Referring more particularly to the drawing, I is the upper shell whichmay be drawn or spun in one piece and which is perforated as shown at 2to provide a grill through which air may pass. Further perforations areprovided at the centre of this shell for securing thereto the motor andfan assembly 4 and 5 which in my preferred form is mounted by boltingthrough rubber washers 3 to the shell. This provides a resilientmounting which absorbs vibration and prevents transmission of motornoise. To ensure a tight non-rattling t between shell I and bottomshell` 'I, a rubber ring -6 may be cemented or otherwise fastened aroundthe periphery of shell I as shown. A

The lower shell 1 may be drawn or spun in one piece, and perforated asshown at 8 to provide a grill through which air may pass. An onsetshoulder is provided just above the grill at the periphery of shell 'Ito form a support for shell I. An annular bead is provided in acorresponding position below the grill to strengthen the shell and tomark the level to which the. shell ,55 may be tllled with water.

The humidifyng element consists of a rack 9 and depending wicks I0. Therack 9 may be drawn or spun in one piece and has a large hole in thecentre below the fan 5. Sets of holes at different radii are provided toform the lugs I2 onto which the wicks are hooked so that they hangconcentrically. The wicks I0 are of a water absorbent open-mesh materialand are long enough so that the bottom part of the depending wick isalways in the water II. Due to capillary action, all or the greater partof the wicks become moistened and oiers a relatively large wettedsurface to the air which is being circulated through them by the fan 5.

I prefer that the fan 5 draw the air in through grill 2 and discharge itthrough grill 8, because the moistened air does not thus come in contactwith the motor. However, as a humidifier, my design would work just aswell if the air were to enter at grill 8 and discharge through grill 2.

In the preferred form illustrated, the wicking I0 consists of threeseparate pieces, the longest of which is hooked to the set of lugs atthe greatest radius, the second longest of which is hooked tothe set oflugs at the mean radius and the shortest of which is hooked to the innerset of lugs. It is obvious that I might employ a larger or smallernumber of wicks so long as I provide a corresponding number of sets ofhooks. The result I desire is that each wick forms a complete enclosureand with a space between each two wicks thus forcing the air to passthrough each wick in turn as it is circulated through the humidier bythe fan 5.

From the foregoing description taken in connection with the accompanyingdrawing, it will be manifest that a humidier is provided which willfulll all the necessary requirements of such a device but as manychanges could be made in the above description and many apparentlywidely dilferent embodiments of my invention may be constructed withinthe scope of 4the appended claims without departing from the spirit orscope thereof, it is intended that all matters contained in'the saidaccompanying specification and drawing shall be interpreted asillustrative and not in a limitative or restrictive sense.

Having thus described the invention, what I claim as new and desire tosecure by Letters Patent is:-

l. In a humidifier, two shells each being perforated in part to form anair grill, a motor-driven fan resiliently suspended from the upper shellfor passing air through the housing formed by tting the two shellstogether, an annular rack supported at the juncture of said shells, andwater-absorbent wicks suspended from said rack to form a concentric wallthrough which a draft created by said fan must pass.

2. A humidifier comprising a lower water containing shell flanged at thetop; an upper fan carrying shell resting on said ange and an annularwick suspending rack supported on said lower shell and upwardly offsetto extend into said upper shell.

-3.` A humidifier comprising a cylindrical water containing housingformed of complementary upper and lower shells, a motor fan assemblyrsiliently suspended in said housing from said upper shell, a removablerack supported on said lower shell and extendingv upwardly to surroundsaid fan; and wicks hanging from said rack concentric with said fan;

4. A humidier comprising a cylindrical 4waterV containing housing formedof complementaryl upper and lower shells; a motor Ian assembly fupwardly offset rim.

resilient-.ly suspended in said housing from said upper shell; aremovable wick suspending rack supported on said lower shell and held inplace by said upper shell.

5. A humidifier comprising a cylindrical water containing housing formedof complementary upper and lower shells; the upper rim of saidcallyreceive said upper shell; an annular rackv removably supported on saidange having a Wide upwardly offset inner rim and staggered concentricrows of wick attaching means on said HUGH .G. ROSS.

